java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-f1aed39 [2018-09-28 13:31:58,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 13:31:58,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 13:31:58,181 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 13:31:58,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 13:31:58,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 13:31:58,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 13:31:58,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 13:31:58,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 13:31:58,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 13:31:58,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 13:31:58,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 13:31:58,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 13:31:58,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 13:31:58,222 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 13:31:58,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 13:31:58,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 13:31:58,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 13:31:58,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 13:31:58,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 13:31:58,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 13:31:58,252 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 13:31:58,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 13:31:58,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 13:31:58,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 13:31:58,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 13:31:58,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 13:31:58,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 13:31:58,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 13:31:58,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 13:31:58,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 13:31:58,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 13:31:58,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 13:31:58,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 13:31:58,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 13:31:58,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 13:31:58,286 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-28 13:31:58,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 13:31:58,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 13:31:58,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 13:31:58,337 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 13:31:58,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 13:31:58,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 13:31:58,342 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 13:31:58,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 13:31:58,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 13:31:58,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 13:31:58,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 13:31:58,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 13:31:58,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 13:31:58,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 13:31:58,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 13:31:58,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 13:31:58,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 13:31:58,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 13:31:58,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 13:31:58,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 13:31:58,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 13:31:58,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 13:31:58,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 13:31:58,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 13:31:58,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 13:31:58,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 13:31:58,353 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 13:31:58,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 13:31:58,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 13:31:58,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 13:31:58,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 13:31:58,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 13:31:58,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 13:31:58,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-28 13:31:58,531 INFO L276 PluginConnector]: CDTParser initialized [2018-09-28 13:31:58,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-09-28 13:31:59,142 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c44132b6/a0c02aeab0e74234a70e7ccfe1594bd1/FLAGc5969e9b3 [2018-09-28 13:31:59,598 INFO L277 CDTParser]: Found 1 translation units. [2018-09-28 13:31:59,599 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-09-28 13:31:59,621 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c44132b6/a0c02aeab0e74234a70e7ccfe1594bd1/FLAGc5969e9b3 [2018-09-28 13:31:59,669 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c44132b6/a0c02aeab0e74234a70e7ccfe1594bd1 [2018-09-28 13:31:59,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 13:31:59,703 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-28 13:31:59,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-28 13:31:59,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-28 13:31:59,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-28 13:31:59,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.09 01:31:59" (1/1) ... [2018-09-28 13:31:59,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9cea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:31:59, skipping insertion in model container [2018-09-28 13:31:59,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.09 01:31:59" (1/1) ... [2018-09-28 13:31:59,754 INFO L124 MainTranslator]: Starting translation in SV-COMP mode [2018-09-28 13:31:59,815 INFO L151 MainTranslator]: Built tables and reachable declarations [2018-09-28 13:32:00,290 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-09-28 13:32:00,308 INFO L166 MainTranslator]: Completed pre-run [2018-09-28 13:32:00,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-09-28 13:32:00,405 INFO L170 MainTranslator]: Completed translation [2018-09-28 13:32:00,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00 WrapperNode [2018-09-28 13:32:00,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-28 13:32:00,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 13:32:00,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 13:32:00,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 13:32:00,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.09 01:32:00" (1/1) ... [2018-09-28 13:32:00,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 13:32:00,524 INFO L168 Benchmark]: Toolchain (without parser) took 827.34 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-28 13:32:00,532 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-28 13:32:00,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-28 13:32:00,536 INFO L168 Benchmark]: Boogie Preprocessor took 107.02 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-28 13:32:00,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 704.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 107.02 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...